the fact is they never got out of watertown and i don't think anyone can say an attack on new york was likely or imminent. >> when you have a guy, what is he doing? he's not packing for a trip to the beach, gone from car to car, residence to residence, gathered up every bomb he has left-- including a pressure cooker bomb-- and he hijacked a car, unlike his two broken down cars, to make it to new york city. he filled the car with a full tank of gas, having robbed $800. i think there were two organized defenders plotting to bomb the marathon, seeing everything come unraveled quickly and becoming disorgded defenders, and i think it looks like they were trying to set up another plan. >> schieffer: what about lindsey graham's allegation this morning that this was a system-- a study of a system failure. >> fing you study the system, lindsey graham would have to come back on that. i mean, we have a system of agencies and databases that are searchable. and one of the things-- when i worked in the f.b.i., when i worked at the director of national intelligence stitching those databases together